Zoo animals keep cool at Brookfield Zoo PHOTOS

<div class="meta image-caption"><div class="origin-logo origin-image "><span></span></div><span class="caption-text">Whirl, an Amur tiger at Brookfield Zoo, cools off in her pool as temperatures hit the 90s this week. (Jim Schulz&#47;Chicago Zoological Society)</span></div>
August 26, 2013 1:38:36 PM PDT